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稻壳基活性炭的制备及其对亚甲基蓝吸附的研究

Keywords: 活性炭,亚甲基蓝,比表面积,吸附等温线,热力学参数

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Abstract:

以稻壳为原料,采用K2CO3活化法和H3PO4活化法制备了比表面积为1312m2/g和682m2/g的活性炭,通过扫描电子显微镜(SEM)、X-射线衍射仪(XRD)对样品进行了表征,并将孔隙发达的活性炭样品用于对亚甲基蓝的吸附,结果表明,K2CO3活化法制备的活性炭样品具有更多的微孔结构;随着亚甲基蓝溶液初始浓度的增加、活性炭

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